What is CVE-2026-66409?

CVE-2026-66409 is a medium-severity vulnerability in Ecovacs Robotics Deebot Pro K1vac, classified under CWE-1391. CVSS score: 5.3/10. Published 2026-08-10.

How severe is CVE-2026-66409?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Ecovacs Robotics Deebot Pro K1vac

CVE-2026-66409

DEEBOT PRO M1 and DEEBOT PRO K1VAC are configured with weak passwords for their Wi-Fi hotspot networks. The password may be analyzed and obtained to connect to the access point of an affected robot.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Ecovacs Robotics Deebot Pro K1vac — versions 0
Ecovacs Robotics Deebot Pro M1 — versions 0

Weakness classification (CWE)

CWE-1391

References

vultures@jpcert.or.jp
vultures@jpcert.or.jp

Frequently asked questions

What is CVE-2026-66409?: CVE-2026-66409 is a medium-severity vulnerability in Ecovacs Robotics Deebot Pro K1vac, classified under CWE-1391. CVSS score: 5.3/10. Published 2026-08-10.
How severe is CVE-2026-66409?: Medium severity. CVSS v3 base score is 5.3 out of 10.